Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. MARYANN FOSTER LCSW-C
NPI 1083602460
Social Worker - Clinical in Washington, DC

Active since October 11, 2005
6140 31ST ST NW, WASHINGTON, DC 20015(202) 363-4891(202) 363-4891 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Maryann Foster Lcsw-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. MARYANN FOSTER LCSW-C (NPI 1083602460) is an individual clinical provider in Washington, District Of Columbia and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1083602460
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. MARYANN FOSTERCredential: LCSW-C
Location Address6140 31ST ST NWWashington, DC 20015-1516
Mailing AddressPo Box 540Kensington, MD 20895-0540 · (301) 929-0262 · Fax (202) 363-4891
Fax(202) 363-4891
Sole ProprietorNo
Enumeration DateOctober 11, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1083602460 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
6140 31ST ST NW, Washington, DC 20015

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maryann Foster's NPI number?

The NPI number for Maryann Foster is 1083602460. It was assigned to this individual provider in the NPPES registry on October 11, 2005.

Where is Maryann Foster located?

Maryann Foster practices at 6140 31st St NW, Washington, DC 20015. The listed phone number is (202) 363-4891.

What is Maryann Foster's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Maryann Foster was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.